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nvme-rdma: don't update queue count when failing to set io queues

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[ Upstream commit 85032874f80ba17bf187de1d14d9603bf3f582b8 ]

We update ctrl->queue_count and schedule another reconnect when io queue
count is zero.But we will never try to create any io queue in next reco-
nnection, because ctrl->queue_count already set to zero.We will end up
having an admin-only session in Live state, which is exactly what we try
to avoid in the original patch.
Update ctrl->queue_count after queue_count zero checking to fix it.

Signed-off-by: Ruozhu Li <liruozhu@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ruozhu Li 2021-07-28 17:41:20 +08:00 committed by Greg Kroah-Hartman
parent 2870630607
commit 8ee21cd94d
1 changed files with 2 additions and 2 deletions
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4
drivers/nvme/host/rdma.c
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@ -654,13 +654,13 @@ static int nvme_rdma_alloc_io_queues(struct nvme_rdma_ctrl *ctrl)
if (ret)
return ret;
ctrl->ctrl.queue_count = nr_io_queues + 1;
if (ctrl->ctrl.queue_count < 2) {
if (nr_io_queues == 0) {
dev_err(ctrl->ctrl.device,
"unable to set any I/O queues\n");
return -ENOMEM;
}
ctrl->ctrl.queue_count = nr_io_queues + 1;
dev_info(ctrl->ctrl.device,
"creating %d I/O queues.\n", nr_io_queues);